1081079992 has 16 divisors (see below), whose sum is σ = 2030418000. Its totient is φ = 539635200.

The previous prime is 1081079983. The next prime is 1081080073. The reversal of 1081079992 is 2999701801.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 108009 + ... + 117592.

It is an arithmetic number, because the mean of its divisors is an integer number (126901125).

Almost surely, 2^1081079992 is an apocalyptic number.

It is an amenable number.

1081079992 is a deficient number, since it is larger than the sum of its proper divisors (949338008).

1081079992 is a wasteful number, since it uses less digits than its factorization.

1081079992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 226206 (or 226202 counting only the distinct ones).

The product of its (nonzero) digits is 81648, while the sum is 46.

The square root of 1081079992 is about 32879.7808995133. The cubic root of 1081079992 is about 1026.3274467286.

The spelling of 1081079992 in words is "one billion, eighty-one million, seventy-nine thousand, nine hundred ninety-two".